Pipe-wrench



(No' Model.)

0. H. H. FRENCH.

PIPE WRENCH. No. 395,046.

Patented D80. 25, 1888..

l lll NITED STATES PATENT OFFICE.

CHARLES H. 11. FRENCH, OF IIOLLISTER, CALIFORNIA.

PIPE-WRENCH.

SPECIFICATION forming part of Letters Patent No. 395,046, dated December25, 1888.

' Application filed April 24, 1888.

T 0 all whom it may concern/.-

Be it known that I, CHARLES H. H. FRENCH, a citizen of the UnitedStates, residing at Hollister, in the county of San Benito and State ofCalifornia, have invented new and useful Improvements in Pipe-Trenches,of which the following is a specification.

My invention is in the nature of improvement in pipe-wrenches, and hasfor its object to simplify the construction, increase the eX- tent ofadjustment, and, in general, to increase the effectiveness of suchdevices.

\Vith these objects in view my invention consists in the improvedconstruction,arrangement, and combination of parts hereinafter fullydescribed, and afterward specifically pointed out in the claims.

In the drawings, Figure 1 is aview in perspective of a pipe-wrench madeaccording to my invention, adjusted so as to grasp a large pipe, thepipe being shown in dotted lines between the jaws. Fig. 2 is a view inside elevation showing the wrench adjusted to asp a pipe of much smallersize.

Like letters of reference mark the same parts in both figures.

Referring to the drawings by letter, A and B are the handles. To thehandle B, near its upper end, is secured or formed as part thereof aflat box-like or tubular structure, C, through which the handleA passesand which is pivoted on a pin, 1), the said pin passing through a lug,a, on the side of the handle A, so as to throw the pivot out of line, asshown in dotted lines in Fig. 2 and full lines in Fig. 1.

In the tubular portion C of the handle B is a notch, D, in which restsand turns a handnut, E, on the threaded end f of the curved jaw F, whichforms the outer jaw of the wrench and is of the form of the ordinarycant-hook. The main body g of this jaw F is substantially rectangular insection and Serial No. 271,661. (No model.)

fits and slides in the tubular portion C of. handle B.

H is the inner jaw of the wrench, formedupon the handle A, and having acurved serrated outer end, 71, as clearly shown.

The operation of myinvention is as follows: The parts being adjusted tofit the particular size of pipe, by turning the nut E, and thus causingthe jaws F to move outward or inward, as desired, the jaws F and II arespread apart. By moving the handles A and B apart the hook-jaw F ispassed over the pipe, and by pressing the handles together the serratedcurved end of the jaw H is brought against the pipe, which is at oncesecurely grasped, so that it is well nigh impossible for it to turn inthe wrench.

IVhat I claim, and desire to secure by Letters Patent of the UnitedStates, is

1. In combination, the handles A and B, pivoted together, the handle Bbeing provided with the tubular portion C, through which the handle Apasses, and the jaw F, provided with the hook end and adjustable in thetubular portion C of handle B in a line substantially parallel withhandle A, as described.

2. The combination of handle B, having tubular portion C projecting fromone side thereof, the sliding jaw F, adjustable therein, and the handleA, extending through the tubular portion and provided with a lug throughwhich the pivot-pin passes, which secures it to handle B, the outer endof said handle A forming a jaw, H, with curved serrated end 72, as setforth.

In testimony whereof I affix my signature in presence of two witnesses.

CHAS. H. H. FRENCH.

\Vi t-nesses:

CORNELIUS HIoKEY, DAVID I-I. BAIRD.

